2014/1/22 Nicolas Goaziou <n.goaz...@gmail.com> > Cecil Westerhof <cldwester...@gmail.com> writes: > > > I have an org-file wth the folowing: > > - [ ] A (setq struct (org-list-struct)) > > - [-] B (org-list-get-checkbox 41 struct) > > - [ ] C (org-list-set-checkbox 41 struct "[X]") > > - [ ] D (org-list-get-checkbox 41 struct) > > - [ ] E (org-list-write-struct struct (org-list-parents-alist struct)) > > > > In A I fill the struct. > > B displays "[-]" > > C displays "[X]" > > D displays "[X]", so the struct is correctly updated. > > E gives: #<marker in no buffer> > > > > What is going wrong here? > > See `org-list-write-struct' docstring. Basically, STRUCT doesn't match > real structure anymore since step C. You need to provide the original > structure as a third argument so `org-list-write-struct' can modify > buffer by set difference. > > (let* ((struct (org-list-struct)) > (old (copy-tree struct))) > (org-list-set-checkbox (line-beginning-position) struct "[X]") > (org-list-write-struct struct (org-list-parents-alist struct) old)) >
This works, so I can continue. But one thing I do not understand. When you do an org-list-write-struct, you want to change the structure. So why is old-struct optional? -- Cecil Westerhof
